/* variable declaration */
$font-family: "Lucida Grande","Lucida Sans Unicode","Lucida Sans",Geneva,Verdana,sans-serif; 
$blue: #00AFEF;
$black: #000000;
@mixin rounded($radius: 10px) {
 -webkit-border-radius: $radius;
 -moz-border-radius: $radius;
 -o-border-radius:$radius;
 -ms-border-radius: $radius;
 -khtml-border-radius: $radius;
 border-radius: $radius; 
}